import java.util.Scanner;

public class 判断奇偶性 {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		System.out.println("请输入一个数");
		int a = scanner.nextInt();
		if( a % 2 == 0) {
			System.out.println(a + "是一个偶数");
		}else {
			System.out.println(a + "是一个奇数");
		}
	}

}
